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src/layers.c: calculate usable_area before positioning clients

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This ensures that the usable area is completely calculated
before non exclusive-zone clients are positioned / resized.

Fixes #1285
Reported-by: @spl237
This commit is contained in:
Consolatis 2023-12-06 14:24:17 +01:00 • committed by Johan Malm
parent 5bc58fc381
commit d59b1d0966
1 changed files with 16 additions and 3 deletions
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19
src/layers.c
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@ -78,16 +78,29 @@ layers_arrange(struct output *output)
return;
}
for (size_t i = 0; i < ARRAY_SIZE(output->layer_tree); i++) {
for (int i = ARRAY_SIZE(output->layer_tree) - 1; i >= 0; i--) {
struct wlr_scene_tree *layer = output->layer_tree[i];
/*
* Process exclusive-zone clients before non-exclusive-zone
* clients, so that the latter give way to the former regardless
* of the order in which they were launched.
*
* Also start calculating the usable_area for exclusive-zone
* clients from the Overlay layer down to the Background layer
* to ensure that higher layers have a higher preference for
* placement.
*
* The 'exclusive' boolean also matches -1 which means that
* the layershell client wants to use the full screen rather
* than the usable area.
*/
arrange_one_layer(&full_area, &usable_area, layer, true);
arrange_one_layer(&full_area, &usable_area, layer, false);
arrange_one_layer(&full_area, &usable_area, layer, /* exclusive */ true);
}
for (size_t i = 0; i < ARRAY_SIZE(output->layer_tree); i++) {
struct wlr_scene_tree *layer = output->layer_tree[i];
arrange_one_layer(&full_area, &usable_area, layer, /* exclusive */ false);
/* Set node position to account for output layout change */
wlr_scene_node_set_position(&layer->node, scene_output->x,